Product Overview

385 Hwy. 33 Englishtown, NJ 07726
Ph: 800-446-3110 - Fx: 732-446-5362
SUBMITTAL SHEET
P/N 090377A0068 REV. L Copyright © EWC Controls 2005-2008 All Rights Reserved
Model URD
w/ MA-ND4 Actuator
CONTROLS INC.
E
W
Excellence Without Compromis
e
C
Wiring to a Control Panel
M6
M4
M2
M1
6-PC
1-COM
4-PO
Motor
Wiring in Parallel
M6
M2
M1
M4
WIRING SOLUTIONS
GYW R
SYSTEM
COOL
OFF HEAT
AUTO
ON
FAN
JUMPER
C
H
EWT THERMOSTAT
w/TSB-M SUB-BASE
or
EQUIVALENT
TRANSFORMER
24VAC, T-40VA
or
EQUIVALENT
R1 RELAY SPDT
w/24VAC COIL
or
EQUIVALENT
COM-1
PO-4
PC-6
Motor
Wiring a Thermostat to Control a Single Damper
Conventional
Thermostat
NO CONNECTION
Motor
6-PC
1-COM
4-PO
Motor
6-PC
1-COM
4-PO
Motor
6-PC
1-COM
4-PO
MOTOR Terminal Output
M6 - Power to Close (PC)
M4 - Power to Open (PO)
M2 - Constant Power (HOT)
M1 - Common (COM)
Forced Air Zone Controls
®